The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.


Country / Post Azerbaijan
Date of Issue 25 May 2011
Primary theme Music & Dance (Musical instruments)
Subject Music Instruments - Joint issue of Azerbaijan and Belarus
Width 40.0 mm
Height 28.0 mm
Denomination 0.50 AZN
Number in set 2 (show set)
Layout/Format sheet of 8 of 2 designs
Perforations 14 by 14.25
Stamp issuing authority Azermarka
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